<template>
  <div id="app">
    <img src="./assets//bj.jpg" alt="" class="box">
    <HelloWorld msg="Welcome to Your Vue.js App" class="hw"/>
  </div>
</template>

<script>
import HelloWorld from './components/HelloWorld.vue'

export default {
  name: 'App',
  components: {
    HelloWorld
  }
  
}
</script>

<style>
.box{
  position: absolute;
  width: 100vw;
  height: 100vh;

}
.hw{
  position: absolute;
  top: 50%;
    left: 50%;
    transform:translate(-50%,-50%);
}
</style>
